# Cluster AI vs Just Ask Doug

The clearest difference is update cadence: Cluster AI at daily against Just Ask Doug's fortnightly. Just Ask Doug's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Cluster AI sells 2 in-app purchases, starting at $19.99 per month and Just Ask Doug sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Cluster AI ships an update daily, Just Ask Doug fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Cluster AI | Just Ask Doug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/cluster-ai-ask-work-build/id6743643266/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 135 MB | 75 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Clusterbase](https://appshunter.io/developer/1803745705) | [Christopher McKinnon](https://appshunter.io/developer/1744229351) |

## What reviewers say

### Cluster AI

[App page](https://appshunter.io/ios/app/cluster-ai-ask-work-build/id6743643266)

This AI-powered search engine provides direct, concise answers with verifiable sources. It utilizes real-time web search to deliver information without advertisements or clutter. Users can save and organize their chat history for easy access.

**Highlights:** AI-powered answers, Cited sources, Real-time web search, Save chat history, Organize history

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $19.99 | per month |
| Max Monthly | $199.99 | per month |


### Just Ask Doug

[App page](https://appshunter.io/ios/app/just-ask-doug/id6747269520)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Yearly Premium | $14.99 | per year |


## Frequently asked questions

### Is Cluster AI free?

Cluster AI is free to download, with in-app purchases available.

### Is Just Ask Doug free?

Just Ask Doug is free to download, with in-app purchases available.

### Do Cluster AI or Just Ask Doug have ads?

Neither Cluster AI nor Just Ask Doug shows ads.

### Which is updated more often, Cluster AI or Just Ask Doug?

Cluster AI ships an update daily, and Just Ask Doug fortnightly. Most recently, Cluster AI was updated on October 24, 2026 and Just Ask Doug on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*